Saint Johns River - Great Marsh Island Wind Forecast
Saint Johns River - Great Marsh Island Wind Statistics
July Wind
Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)
Strongest 1 July, 2025
19.7mph SSEAverage July
9.7mph
Climate (2010–Present)
Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)
Strongest 27 September, 2024
69.1mph SSEAverage 2020–2025
9.7mph